Comment 8 for bug 1118689

bug 1303737 should be fixed by commit 15d75fcebdf78d316a980487eddcac8e4f1574c8, which is in Trusty as of Ubuntu-3.13.0-28.51. This commit is a cherry pick of upstream 54290fa6.

Can you test the 3.13.0-28.51 kernel and confirm if it fixes this bug or not? It can be downloaded from:
https://launchpad.net/~canonical-kernel-team/+archive/ppa/+files/linux-image-3.13.0-28-generic_3.13.0-28.51_amd64.deb